Phase transformations in crystalline Ti-Ni-Cu alloy upon severe plastic deformation |
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Authors: | A M Glezer G I Nosova R V Sundeev and A V Shalimova |
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Institution: | 1.Bardin Science Center of Ferrous Metallurgy,Moscow,Russia;2.Moscow State University of Instrument Engineering and Informatics,Moscow,Russia |
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Abstract: | X-ray diffraction and transmission electron microscopy were used to study features of the structural and phase transformations
of initially crystalline T150Ni25Cu25 alloy upon severe plastic deformation in a Bridgman cell. Three cycles of successive phase transitions of the crystal ⟹ amorphous
state and amorphous state ⟹ crystal type were revealed under continually increasing deformation. The results are explained
within the superposition of different channels of elastic energy dissipation at severe plastic deformation. |
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